Dormer Pramet R459 4.00 mm CARBIDE TIALN FORCE-X STEPPED SHANK LONG SERIES (X8D) DRILL T-Slot Inserts while the precise bore ensures

while the precise bore ensures reliable pass/fail checks for 1 1/2" fittings

Its metric fine-thread specification and right-hand orientation align with common standards

enabling reliable performance across multiple passes without compromising accuracy

enabling efficient material removal and reducing the need to switch to multiple bits for common projects

repeatable checks that support tight tolerances and consistent assembly results

Dormer Pramet R459 4.00 mm CARBIDE TIALN FORCE-X STEPPED SHANK LONG SERIES (X8D) DRILL T-Slot Inserts while the precise bore ensuresThe Dormer Pramet R459 4. 00 mm carbide drill is a high performance tool built to deliver precise, reliable holes across a range of materials. Its long FORCE X stepped shank design provides sturdy grip and extended reach for deep hole work, making it ideal for professional workshops, fabricators, and serious hobbyists alike. With a 140 degree four facet split point, this drill starts quickly and self centers, reducing push force and helping holes stay